X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fthread%2Fpthread_join.c;h=54d810398ab2fad4a997a797f2c5cbef6a2e41e9;hb=5994de4e02a05c19a6bddadcfb687ab2e7511bd6;hp=abd2d668c9fea70d2eed1f5de287ee8dcc40461e;hpb=fff546930347d99729f1c0a9d911e7f24a094531;p=musl diff --git a/src/thread/pthread_join.c b/src/thread/pthread_join.c index abd2d668..54d81039 100644 --- a/src/thread/pthread_join.c +++ b/src/thread/pthread_join.c @@ -1,16 +1,34 @@ #include "pthread_impl.h" #include -static void dummy(void *p) +static int __pthread_timedjoin_np(pthread_t t, void **res, const struct timespec *at) { + int state, cs, r = 0; + __pthread_testcancel(); + __pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs); + if (cs == PTHREAD_CANCEL_ENABLE) __pthread_setcancelstate(cs, 0); + while ((state = t->detach_state) && r != ETIMEDOUT && r != EINVAL) { + if (state >= DT_DETACHED) a_crash(); + r = __timedwait_cp(&t->detach_state, state, CLOCK_REALTIME, at, 0); + } + __pthread_setcancelstate(cs, 0); + if (r == ETIMEDOUT || r == EINVAL) return r; + a_barrier(); + if (res) *res = t->result; + if (t->map_base) __munmap(t->map_base, t->map_size); + return 0; } -int pthread_join(pthread_t t, void **res) +int __pthread_join(pthread_t t, void **res) { - int tmp; - pthread_testcancel(); - while ((tmp = t->tid)) __timedwait(&t->tid, tmp, 0, 0, dummy, 0, 0); - if (res) *res = t->result; - if (t->map_base) munmap(t->map_base, t->map_size); - return 0; + return __pthread_timedjoin_np(t, res, 0); } + +static int __pthread_tryjoin_np(pthread_t t, void **res) +{ + return t->detach_state==DT_JOINABLE ? EBUSY : __pthread_join(t, res); +} + +weak_alias(__pthread_tryjoin_np, pthread_tryjoin_np); +weak_alias(__pthread_timedjoin_np, pthread_timedjoin_np); +weak_alias(__pthread_join, pthread_join);